Glofish And Betta

Glofish And Betta

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If you’re looking for a pet fish that’s a little more exciting than a standard goldfish, there are plenty of fantastic and eye-catching specimens from which to choose. In a completely biased opinion, two of the most splendid kinds of freshwater fish are the Betta fish and Glofish.

What Is a Betta Fish?

A Betta fish, also known as the Siamese Fighting Fish, is a freshwater fish native to Asia. It is recognizable by its bright colors and lavish fins.

They are often exploited for their vibrant and colorful appearance and frequently sold as “decoration.” Some retailers will stock them inside flower vases to specifically market them as household décor. 

However, these containers contribute to a shorter lifespan and poor health for the Betta fish because of their small size. Instead of being treated as decoration, the Betta fish requires proper care to thrive.

What Are Betta Fish Known For?

Betta fish have a notorious temperament and are prone to depression, loneliness, and frustration. They do not do very well inside a too-small tank, and they are very territorial towards others of their kind, hence the name Siamese Fighting Fish. 

Highly intelligent, a Betta fish can come to recognize its owner and even express joy at seeing them. They need more mental stimulation than other fish and benefit from new aquarium features.

If they share a large enough tank, a Betta fish can easily coexist alongside other fish species. They don’t get on so well with other Bettas, so you must keep them in separate tanks if you get more than one.

Betta Colors

Betta fish colors are the product of captivity breeding, meant to show off their bright colors and patterns at all times. In the wild, Betta fish aren’t actually all that vibrant unless they are threatened or upset. 

The males are traditionally much more striking than the females. Their colors range from super red to turquoise to gold, and they have just as many patterns and fin variations.

Can a Betta be a Glofish?

Glofish Betta

Betta fish are recent additions to the list of available Glofish. Genetically modifying a Betta to make them fluorescent elevates them to the status of Glofish. While other Glofish can come in a variety of vibrant colors, right now, the Betta only shows electric green.

What Is a Glofish?

A GloFish is a genetically engineered fish that literally glows. A fluorescent protein gene causes their glow, which can be a variety of colors. The gene only alters the appearance of their skin and has no ill effects on their other bodily systems.

The first experiments on making fish fluorescent had the eventual goal of detecting toxins or pollutants in water. The idea was to engineer a fish that could light up once it entered an unhealthy waterway. However, permanently glowing fish became popular as pets, which led to the Glofish industry.

Glofish are bred in captivity, as fluorescence in the wild can quickly get them eaten.

Depending on the type of fish, they can have one of several fluorescent colors or be limited to just one shade.

Some Glofish hues include:

  • Electric Green
  • Cosmic Blue
  • Galactic Purple
  • Moonrise Pink
  • Starfire Red
  • Sunburst Orange

What Kind of Fish Can Be Glofish?

Any fish that is genetically altered can potentially become a Glofish. All they need is a fluorescent gene. Below is a list of fish that are popular as Glofish:

  • Zebrafish
  • Tiger Barbs
  • Long Fin Barbs
  • Tetras
  • Long Fin Tetras
  • Danios
  • Shark Fish
  • Betta Fish

Can Bettas and Glofish Coexist?

Betta fish can usually get along with other fish that aren’t territorial and have similar needs like water temperature. So, they can generally coexist with other Glofish peacefully. However, some Betta fish can have cranky personalities that cause them to nip their tank mates. 

The same is true for other Glofish, so if you have a feisty school of fluorescent Barbs, you might not want to introduce them to your new Betta fish.

Male Betta fish can be particularly agitated by brightly colored fish, whereas female Bettas are more likely to accept Glofish companionship.


If you’re looking into bright or fantastically colored fish, Glofish or Betta fish are the way to go. Betta fish are vibrant, with beautiful fin variations and countless patterns. Glofish are fluorescent due to genetic engineering and can give off brilliant shades in dark light. They can overlap or even coexist as long as they have the correct temperament and tank conditions. 

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